Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.770257E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T11:21:53+0800
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    1 Object 1

    AOE ID 6350
    NORAD ID 6350
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 55354
    NORAD ID 55354
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 546 STARLINK-5649
    Time of Closest Approach 2026-09-05T15:21:42+0000
    Collision Probability (Pc) 1.770257E-4
    Conjunction Distance (km) 0.478 km
    Relative Speed (km/s) 9.643 km/s
    Conjunction Risk Parameters R (Radial): -0.429 | I (In-track): 0.163 | C (Cross-track): -0.129
    Collision Risk Index (CRI) 0.8
    X Position (km) -5378.869 -5378.619
    Position Y (km) 2806.582 2806.218
    Position Z (km) 3197.234 3197.053
    Velocity X (km/s) -0.33 -4.695
    Velocity Y (km/s) -5.991 -4.662
    Velocity Z (km/s) 4.701 -3.795

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 546 STARLINK-5649
    Semimajor Axis (a) 6852.716 km 6861.226 km
    Eccentricity (e) 0.001457 0.000132
    Inclination (i) 50.6351° 43.0017°
    RAAN 136.4769° 17.3675°
    Perigee Argument 237.6214° 264.5868°
    Mean Anomaly (M) 122.3343° 95.4833°
    Apogee 484.564 km 483.996 km
    Perigee 464.594 km 482.182 km
    Orbit Epoch 2026-09-03T16:11:14+0000 2026-09-03T18:49:32+0000

    COSMOS 546 & STARLINK-5649 Collision Probability (Pc) Trend

    COSMOS 546 & STARLINK-5649 Collision Probability (Pc) TrendNot Available

    COSMOS 546 & STARLINK-5649 Miss Distance (Miss Distance) Trend

    COSMOS 546 & STARLINK-5649 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 546Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5649Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 546Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5649Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 546

    No nearby objects data